Home / 28,833.05-39,789.61-16,257.80

Finding the Fourth Proportional to 28,833.05, 39,789.61 and 16,257.80

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Solution

The fourth proportional to 28,833.05, 39,789.61 and 16,257.80 is: 22,435.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,833.05 : 39,789.61 = 16,257.80 : x
  2. Step 2: Convert to fraction form
    28,833.05/39,789.61 = 16,257.80/x
  3. Step 3: Cross multiply
    28,833.05x = 39,789.61 × 16,257.80
  4. Step 4: Simplify right side
    28,833.05x = 646,891,281.87
  5. Step 5: Solve for x
    x = 646,891,281.87/28,833.05
  6. Step 6: Final answer
    x = 22,435.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.